CVE-2025-34032: A reflected cross-site scripting (XSS) vulnerability exists in the Moodle LMS Jmol plugin version 6.1 and prio

Q: How do I fix CVE-2025-34032?

jmol: upgrade to newer than 6.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-34032 being exploited?

CVE-2025-34032 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-34032 affect?

CVE-2025-34032 affects jmol. Severity is medium (CVSS 6.1). A reflected cross-site scripting (XSS) vulnerability exists in the Moodle LMS Jmol plugin version 6.1 and prior via the data parameter in jsmol.php. The application fails to properly sanitize user input before embedding it into the HTTP res

Q: How urgent is CVE-2025-34032?

Priority 40/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2025-34032 is a medium-severity flaw (CVSS 6.1) affecting jmol. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A reflected cross-site scripting (XSS) vulnerability exists in the Moodle LMS Jmol plugin version 6.1 and prior via the data parameter in jsmol.php. The application fails to properly sanitize user input before embedding it into the HTTP response, allowing an attacker to execute arbitrary JavaScript in the victim's browser by crafting a malicious link. This can be used to hijack user sessions or manipulate page content. Exploitation evidence was o

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-06-24
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: geoffrowland

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-06-24 01:15 UTCPublished CVE record published
2026-06-17 09:13 UTCUpdated Record last modified

geoffrowland jmol UPGRADE

Affected: <= 6.1

Fixed in: newer than 6.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy jmol || rpm -q jmol || jmol --version

2. UPGRADE to newer than 6.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade jmol

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jmol

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Moodle LMS Jmol Plugin <= 6.1 - Cross-Site Scripting

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-34032?

jmol: upgrade to newer than 6.1. Exact commands for each OS are on this page.

Is CVE-2025-34032 being exploited?

CVE-2025-34032 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-34032 affect?

CVE-2025-34032 affects jmol. Severity is medium (CVSS 6.1). A reflected cross-site scripting (XSS) vulnerability exists in the Moodle LMS Jmol plugin version 6.1 and prior via the data parameter in jsmol.php. The application fails to properly sanitize user input before embedding it into the HTTP res

How urgent is CVE-2025-34032?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities · Moodle vulnerabilities

Related CVEs

CVE-2025-34031 HIGH 7.5 UPGRADE A path traversal vulnerability exists in the Moodle LMS Jmol plugin version 6.1 and prior via the query parame

References

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